docs: def from_file(cls, filename):
          """
          Reads configuration from given path to a file in local file system and
          returns parsed version of it.
  
          :param filename: Path to the YAML file in local file system where the
                           configuration will be read from.
          :type filename: str
  
          :return: Configuration instance parsed from given configuration file.
          :rtype: Configuration
          """
          instance = cls()
  
          with open(filename, "rb") as file_stream:
              config_data = yaml.load(file_stream)
  
          instance.load(config_data)
  
          return instance